The Bushing,sleeve, cataloged under National Stock Number 3120-01-020-6952, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-020-6952 |
| Primary Part Number | 4M106-04023 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.3728 INCHES MINIMUM AND 0.3738 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | AMS 5643,COND H1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | STEEL COMP 630 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4M106-04023 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 3M33-4H3 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
NSN 3120-01-020-6952 is a Bushing,sleeve, manufactured by The Boeing Company Div Defense, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-020-6952 has 1 manufacturer part number on file: 4M106-04023 (The Boeing Company Div Defense).
Key specifications for 4M106-04023: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.3728 INCHES MINIMUM AND 0.3738 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: AMS 5643,COND H1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.